Lake Lillinonah is Connecticut's second-largest lake, formed in 1955 when the Shepaug Dam impounded the Housatonic River. It winds for miles through wooded hills and the dramatic Lovers Leap gorge, with no-wake stretches and far less weekend traffic than its bigger neighbor, Candlewood. For a lot of buyers, that’s the appeal, a calmer, more natural lake that still puts you within easy reach of everything.
The lake touches six towns (New Milford, Brookfield, Bridgewater, Newtown, Roxbury, and Southbury) each with its own feel, from village centers to quiet rural roads. Just to the west, Candlewood Lake adds New Fairfield, Sherman, and Danbury to the mix. The right town depends as much on lifestyle as on price.
Buying near a lake isn't like buying a typical house. Direct waterfront is only part of the picture, many of the best values are water-access or lake-community homes, with shared beaches, docks, or association amenities that offer the lifestyle without a waterfront price tag. Dock rights, shoreline ownership, association rules, and permitting vary property to property, so it's worth understanding them before you write an offer, not after. And a weekend getaway, a seasonal summer home, and a year-round residence are three different searches, and knowing which one you're really after changes where you look.
I'm Connor Kostyra, a RE/MAX Rise agent with deep roots on these lakes, including years on the water through Lakeside Watersports. Whether you're months from a move or just curious what's out there, the first step is a low-key conversation about the towns, the trade-offs, and what's realistic for your budget. Reach out anytime at (203) 297-8084.
The Lake Lillinonah Authority describes the lake as a flooded canyon: formed in 1955 when Connecticut Light and Power closed the Shepaug Dam, running 12 miles from New Milford to the dam, with 45 miles of shoreline of which 43 are wooded, hillsides rising 200 feet or more from the water, and a maximum depth of 110 feet. On acreage the Authority's own pages differ: its About page says 1,900 acres, while its boating page and the state's launch pages put it at 1,547 acres from the Bleachery Dam to the Shepaug Dam. The Authority is funded by all six shoreline towns to oversee environmental, safety and recreational needs, runs a lake patrol that enforces state boating law, and operates a Lake Alert automated line that announces water level changes and the dates and locations of chemical treatments. For the six towns, the Office of Policy and Management's mill rate dataset lists town-level rates for the fiscal year ending 2026 of Bridgewater 19, Brookfield 28.93, New Milford 30.96, Newtown 28.74, Roxbury 13 and Southbury 24.2, each set against the October 1, 2024 grand list; a rate says more about a town's grand list and revaluation timing than about any one bill.
Two of the six towns also carry a second rate on the state's list: Southbury's Heritage Crest Tax District at 16.8704 mills and Newtown Borough at 0.83 for fiscal 2026, while Bridgewater and Roxbury list no district at all; every district in the region is in the second mill rate: every Candlewood Lake tax district on the state's fiscal 2026 list.
DEEP's Pond Brook launch page, updated August 3, 2026, carried an advisory that an increased risk of a cyanobacteria bloom had made that area potentially unsafe for water contact. Both DEEP launch pages warn that hydrilla has been recently found in this waterbody, and the Authority's alert page says DEEP has confirmed zebra mussels in Lake Lillinonah and Lake Zoar. Advisories are location specific and change week to week, so check the current DEEP launch pages and the Authority's alerts for the stretch of shore you are considering, and treat clean, drain and dry at every launch as mandatory. Lake Lillinonah for a second home walks through what those notices mean for an owner. The 2026 Connecticut Boaters Guide entries for both launches, with the dam distances and parking counts as printed, are quoted in the state launches as printed in the 2026 Connecticut Boaters Guide.
Downstream on Lake Zoar, the state park at Kettletown in Southbury has had its campground and three trails closed since the August 2024 flood, with no reopening date set as of the state's August 2026 page; the details are in Kettletown State Park as the state describes it.
Sources for these sections: Lake Lillinonah Authority, About, FAQs, Patrols and Recreation, Lake Alert and Zebra Mussel Alert pages; Connecticut DEEP, Lake Lillinonah Boat Launch Bridgewater and Pond Brook Boat Launch pages. Figures are each body's own as published in September 2026 and change by year.
Connecticut's second largest lake, formed in 1955 when the Shepaug Dam impounded the Housatonic River. It winds for miles through wooded hills and the dramatic Lovers Leap gorge, with no wake stretches and noticeably less weekend traffic than Candlewood. Like Candlewood it is an impoundment rather than a natural lake, which is the fact that shapes how the shoreline is owned and regulated.
Six: New Milford, Brookfield, Bridgewater, Newtown, Roxbury and Southbury, each with its own feel, from village centers to quiet rural roads. Two of those, New Milford and Brookfield, also front Candlewood, so if you are looking in either town you have a genuine choice between the two lakes without changing your tax rate or your school district.
Largely yes, and this surprises people who assume the rules are lake by lake. FirstLight's own permits page states that if you own property on "Candlewood Lake, Lake Lillinonah, Lake Zoar, or along the Housatonic River north of Lake Lillinonah to the Massachusetts border" you should review its handbook. Same operator, same shoreline and land use permitting framework. So if you are weighing the two lakes, the dock, seawall and shoreline questions are the same questions, and the answers come from the same place.
Direct waterfront is only part of the picture, and on Lillinonah many of the better values are water access or lake community homes with shared beaches, docks or association amenities that deliver the lifestyle without the direct waterfront premium. The part that matters is documentation. Whatever rights you are buying, whether a slip, a mooring, beach access or dock use, should be deeded in writing rather than assumed because the neighborhood has access.
Different in feel, similar in regulation. Lillinonah is narrower and more river like, running through the Lovers Leap gorge, with no wake stretches and far less weekend traffic. Candlewood is larger, busier, and has more established lake communities and association shoreline. Both sit under the same FirstLight shoreline permitting framework. If quiet water and privacy matter more to you than a large open lake and an active boating scene, Lillinonah is usually the better fit, and it is worth seeing both before you decide.
Comparing lakes in western Connecticut? Candlewood Lake is larger and busier but sits under the same FirstLight shoreline permitting framework as Lillinonah. Bantam Lake is the state's largest natural lake and works differently from both, because it is not an impoundment and is not part of that permitting system. Candlewood, Lillinonah or Bantam puts all three side by side, with every figure taken from the body that publishes it. Directly downstream, past the Shepaug Dam, Lake Zoar is the third lake under the same FirstLight framework. For Lillinonah itself, Lake Lillinonah for a second home covers the permit rules, the fall drawdown, and the notices the state posted this year.
The two lakes are also linked in the Candlewood Lake Authority's 2025 Lake Steward report, which names Lillinonah as its lake of primary concern for invasive species after hydrilla was found here and counts three inspected boats arriving at Candlewood from Lillinonah in 2025. Who launches on Candlewood Lake, the Authority's 2025 steward report has the rest of that count.
The state's 2025 bass tournament document adds the fishing side of that link: Lillinonah hosted 58 permitted tournaments in 2025, second only to Candlewood and the Connecticut River, and the heaviest largemouth reported from any Connecticut tournament that year, 7.28 pounds, was weighed here. Candlewood Lake bass tournaments in 2025, the state's own count reads that document lake by lake.
The plants are the other difference. FirstLight's March 2025 filing to federal regulators records about 3 acres of hydrilla in Lillinonah in 2024, the largest beds at the Bridgewater town ramp, alongside about 94 acres of Eurasian milfoil, while the same survey found virtually no milfoil left in Candlewood after its grass carp stocking. Where Candlewood's weeds went, and when they come back reads that filing for a buyer on either lake.
Lillinonah is a FirstLight reservoir like Candlewood, which means several of the same questions apply, and one important thing works differently.
Dates above are from FirstLight’s own published notice for the 2025 and 2026 season. Confirm the current year’s plan with FirstLight before you rely on it.
